42
FAUlT DIAGNOsIs
symptom
Cause/Rectification
1.
all outlets do
not operate (e.g.
basin, shower,
urinal, w.c.).
a.
check that the water supply is turned on.
b.
if there is no power in the control box, check the fuse
in transformer and the supply to the transformer.
c.
check the output fuses.
d.
use the hand held programmer to make sure each
channel is functioning correctly (refer to the hand
held programmer product manual).
e.
replace the control box pcb.
2.
o u t l e t f a i l s
t o o p e r a t e
after sensor is
activated.
a.
make sure of 9 - 10 V ac power supply at sensor/
solenoid connections in control box.
b.
use hand held programmer to perform a system
info check for the rada pulse control box (refer to
the hand held programmer product manual).
c.
check that the sensor and/or solenoid connections
on the pcb are pushed fully home and the
connections on the sensor and/or solenoid are
secure.
d.
defective fuse in control box. replace.
e.
check sensor working correctly. replace if
necessary.
f.
check solenoid working correctly. replace if
necessary.
g.
check solenoid coil. replace if necessary.
h.
check that solenoid is working correctly. service
the valve body or replace if necessary.
3
. o u t l e t s r u n
continually or for
long periods.
a.
plug in hand held programmer and check timing for
outlet. reprogram if necessary.
b.
check solenoid valve. maintain or replace parts if
required.
4.
outlets only run
for a short period
of time.
a.
plug in hand held programmer and check timing for
outlet. reprogram if necessary.
5.
nuisance tripping
of ceiling sensor.
a.
check correct alignment of the sensor (refer to
section:
'Installation'
).
b.
check that the detection area is not subject to a
rapidly changing heat field due to close proximity
or draughting heat source.